Home | History | Annotate | Download | only in libtest 
      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 /*
     23  * This source code is used for lib1502, lib1503, lib1504 and lib1505 with
     24  * only #ifdefs controlling the cleanup sequence.
     25  *
     26  * Test case 1502 converted from bug report #3575448, identifying a memory
     27  * leak in the CURLOPT_RESOLVE handling with the multi interface.
     28  */
     29 
     30 #include "test.h"
     31 
     32 #include <limits.h>
     33 
     34 #include "testutil.h"
     35 #include "warnless.h"
     36 #include "memdebug.h"
     37 
     38 #define TEST_HANG_TIMEOUT 60 * 1000
     39 
     40 int test(char *URL)
     41 {
     42   CURL *easy = NULL;
     43   CURLM *multi = NULL;
     44   int still_running;
     45   int res = 0;
     46 
     47   char redirect[160];
     48 
     49   /* DNS cache injection */
     50   struct curl_slist *dns_cache_list;
     51 
     52   snprintf(redirect, sizeof(redirect), "google.com:%s:%s", libtest_arg2,
     53            libtest_arg3);
     54 
     55   start_test_timing();
     56 
     57   dns_cache_list = curl_slist_append(NULL, redirect);
     58   if(!dns_cache_list) {
     59     fprintf(stderr, "curl_slist_append() failed\n");
     60     return TEST_ERR_MAJOR_BAD;
     61   }
     62 
     63   res_global_init(CURL_GLOBAL_ALL);
     64   if(res) {
     65     curl_slist_free_all(dns_cache_list);
     66     return res;
     67   }
     68 
     69   easy_init(easy);
     70 
     71   easy_setopt(easy, CURLOPT_URL, URL);
     72   easy_setopt(easy, CURLOPT_HEADER, 1L);
     73   easy_setopt(easy, CURLOPT_RESOLVE, dns_cache_list);
     74 
     75   multi_init(multi);
     76 
     77   multi_add_handle(multi, easy);
     78 
     79   multi_perform(multi, &still_running);
     80 
     81   abort_on_test_timeout();
     82 
     83   while(still_running) {
     84     struct timeval timeout;
     85     fd_set fdread;
     86     fd_set fdwrite;
     87     fd_set fdexcep;
     88     int maxfd = -99;
     89 
     90     FD_ZERO(&fdread);
     91     FD_ZERO(&fdwrite);
     92     FD_ZERO(&fdexcep);
     93     timeout.tv_sec = 1;
     94     timeout.tv_usec = 0;
     95 
     96     multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
     97 
     98     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
     99 
    100     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
    101 
    102     abort_on_test_timeout();
    103 
    104     multi_perform(multi, &still_running);
    105 
    106     abort_on_test_timeout();
    107   }
    108 
    109 test_cleanup:
    110 
    111 #ifdef LIB1502
    112   /* undocumented cleanup sequence - type UA */
    113   curl_multi_cleanup(multi);
    114   curl_easy_cleanup(easy);
    115   curl_global_cleanup();
    116 #endif
    117 
    118 #ifdef LIB1503
    119   /* proper cleanup sequence - type PA */
    120   curl_multi_remove_handle(multi, easy);
    121   curl_multi_cleanup(multi);
    122   curl_easy_cleanup(easy);
    123   curl_global_cleanup();
    124 #endif
    125 
    126 #ifdef LIB1504
    127   /* undocumented cleanup sequence - type UB */
    128   curl_easy_cleanup(easy);
    129   curl_multi_cleanup(multi);
    130   curl_global_cleanup();
    131 #endif
    132 
    133 #ifdef LIB1505
    134   /* proper cleanup sequence - type PB */
    135   curl_multi_remove_handle(multi, easy);
    136   curl_easy_cleanup(easy);
    137   curl_multi_cleanup(multi);
    138   curl_global_cleanup();
    139 #endif
    140 
    141   curl_slist_free_all(dns_cache_list);
    142 
    143   return res;
    144 }
    145